save project

001.py

+i=3
 username="python"
 username="python"
 userpassword="123456"
 userpassword="123456"
 while True:
 while True:
-    name=input("名字")
-    password=input("密码")
-    if name == username and password==userpassword:
-        print("登录成功")
-        break
-    if name != username
-        print("用户名不存在，请重新输入！")
-    if name != userpassword:
-        continue
-    print("用户名和密码错误！请重新输入！")
+    if i>0:
+        name=input("名字")
+        password=input("密码")
+        i-=1
+        if name == username and password==userpassword:
+            print("登录成功")
+            break
+        if name != username:
+            print("用户名错误，请重新输入！")
+            continue
+        if name != userpassword:
+        print("用户名和密码错误！请重新输入！")
+    elif:
+        print("你的账号已锁定")
 print("欢迎来到贝尔编程！")
 print("欢迎来到贝尔编程！")
-if
-
-elif
\ No newline at end of file